At noon Saturday, protesters were crowded into City Hall Plaza in Downtown Dallas and Burk Burnett Park in Downtown Fort Worth.

Timothy Snyder, history professor, and author of "On Tyranny" and the "Thinking about..." Substack, talks with Rachel Maddow about the character of the anti-Trump movement and what past opposition movements tell us about how the energy of "No Kings Day" can be channeled into political productivity.

Millions of people turned out for "No Kings" protests nationwide on Saturday that were largely peaceful though there were some arrests and police had to disperse unruly crowds, including in Georgia and Los Angeles.